CVE-2021-3988
Medium
Description
A Cross-site Scripting (XSS) vulnerability exists in janeczku/calibre-web, specifically in the file `edit_books.js`. The vulnerability occurs when editing book properties, such as uploading a cover or a format. The affected code directly inserts user input into the DOM without proper sanitization, allowing attackers to execute arbitrary JavaScript code. This can lead to various attacks, including stealing cookies. The issue is present in the code handling the `#btn-upload-cover` change event.
SeverityMedium
CVSS6.1
Exploit probability—
ProductJaneczku Calibre-web
PublishedNov 15, 2024
First seenNov 15, 2024
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- janeczku calibre-web0.6.15 or later
- calibreweb0.6.15 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| janeczku calibre-web | v < 0.6.15 | 0.6.15 |
| calibrewebPyPI | v < 0.6.15 | 0.6.15 |
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